iDatalink Maestro HRN-HRR-HK3 Plug and Play T-Harness for select Hyundai & Kia Vehicles

Product Descriptions

iDatalink Maestro HRN-HRR-HK3 Plug and Play T-Harness for select Hyundai & Kia Vehicles

Looking to upgrade your car stereo but dreading the mess of wires and headaches? The iDatalink Maestro HRN-HRR-HK3 is your shortcut to a smoother, cleaner install in select Hyundai and Kia vehicles. It’s a plug and play T-harness that doesn’t just simplify things—it makes your aftermarket setup feel like it was factory-installed from the start.

Why the iDatalink Maestro HRN-HRR-HK3 is a Game-Changer

This T-harness isn’t just about connecting wires—it’s about keeping the best parts of your vehicle intact while upgrading to a new stereo. Whether your ride has a factory amp or not, the iDatalink Maestro HRN-HRR-HK3 keeps everything talking smoothly between your car and your new receiver.

What Features Does It Keep? A Lot, Actually

When you switch out your factory radio, the fear is losing all those built-in goodies. Not here. This harness keeps key features working like a charm:

Steering wheel audio controls stay fully functional—use two functions per button with compatible head units.
Factory backup camera and front/side cams? Still work, as long as your receiver has a second cam input.
Rear seat entertainment? Yep, that stays too.
Climate control status pops right up on your new receiver’s touchscreen.
And the audio/phone data in the instrument cluster? Still there. Still sharp.

Powerful Compatibility with Maestro RR2

Pair it with the Maestro RR2 interface (sold separately), and this harness really comes to life. You’re not just keeping factory features—you’re unlocking advanced diagnostics and real-time vehicle info on your new stereo’s screen.

Selectable gauges for things like engine temp or RPMs.
Battery voltage readings to stay ahead of dead battery drama.
Tire pressure displayed right where you want it.
Even check engine codes can be read and reset from the touchscreen.
And yep, you’ll know if a door is open before you even shift into drive.

Navigation-Friendly Outputs

If you're going the navigation route, you're covered too. The iDatalink Maestro HRN-HRR-HK3 includes outputs for:

Parking brake
Reverse signal
Vehicle speed sense (VSS)

These make hooking up an aftermarket nav head unit quicker, cleaner, and way less stressful.

What’s in the Box?

No guesswork here—you get exactly what you need:

Main wiring harness
OBDI harness for diagnostic integration
Control outputs harness to make those key connections without splicing or hacking

Easy Integration Without Compromise

The real beauty of the iDatalink Maestro HRN-HRR-HK3 is how it blends new tech with your existing vehicle setup. Whether you drive a newer Hyundai or Kia, this harness keeps your dash looking clean, your systems talking, and your upgrade totally seamless.

Whether you're after smarter navigation, better sound, or just a cleaner install, this T-harness brings it all together without giving up the features you love.

FAQs

Does this harness work with vehicles that don’t have a factory amplifier? Yes, it supports both amplified and non-amplified systems in select Hyundai and Kia vehicles.
Can I still use my steering wheel buttons for audio controls? Absolutely, and with supported radios, each button can even serve two different functions.
Is this harness compatible with my backup camera? Yes, it retains the factory backup and side cameras, provided your new receiver supports a second camera input.
What kind of data can I see on the touchscreen when paired with the Maestro RR2? You’ll be able to view engine performance, battery voltage, tire pressure, check engine codes, and more.
Will this harness work with aftermarket head units like Kenwood or Pioneer? Yes, it's fully compatible with select iDatalink-ready head units from Kenwood, JVC, Alpine, Sony, and Pioneer.

Vehicle Application:

Hyundai

Accent (With 5" TFT w/o CarPlay or Android Auto): 2018 - 2022
Accent (With Display Radio / Apple Carplay or Android Auto): 2018 - 2022
Elantra (With 5" TFT w/o CarPlay or Android Auto / Without Amplifier): 2019 - 2020
Elantra GT (With Display Radio / Apple Carplay or Android Auto / Without Amplifier): 2018 - 2020
Elantra GT (With Display Radio / Apple Carplay or Android Auto / With Amplifier): 2018 - 2020
Elantra (With Display Radio / Apple Carplay or Android Auto / Without Amplifier: 2017 - 2020
Elantra (With Display Radio / Apple Carplay or Android Auto/ With Amplifier): 2017 - 2020
Santa Fe Sport (With Display Radio / Apple Carplay or Android Auto / Without Amplifier): 2017 - 2018
Santa Fe Sport (With Display Radio / Apple Carplay or Android Auto / With Amplifier): 2017 - 2018
Santa Fe (With Display Radio / Apple Carplay or Android Auto / Without Amplifier): 2016 - 2020
Santa Fe (With Display Radio / Apple Carplay or Android Auto / With Amplifier): 2016 - 2020
Sonata (With Display Radio (Apple Carplay or Android Auto / Without Amplifier): 2017 - 2019
Sonata (With Display Radio (Apple Carplay or Android Auto/ With Amplifier): 2017 - 2019
Tucson (Without Apple Carplay or Android Auto w/ Amplifier): 2017

Kia

Cadenza (With Display Radio / Apple Carplay or Android Auto / Without Amplifier): 2017 - 2019
Forte (With Display Radio / Apple Carplay or Android Auto): 2017 - 2018
Forte (With Display Radio / Apple Carplay or Android Auto / Without Amplifier): 2019 - 2020
Forte (With Display Radio / Apple Carplay or Android Auto/ With Amplifier): 2019 - 2020
Optima (With Display Radio / Apple Carplay or Android Auto / Without Amplifier): 2017 - 2020
Optima (With Display Radio (Apple Carplay or Android Auto / With Amplifier): 2017 - 2020
Sedona (With 5" TFT w/o CarPlay or Android Auto / Without Amplifier): 2017 - 2020
Sedona (With Display Radio / Apple Carplay or Android Auto / Without Amplifier): 2017 - 2020
Sedona (With Display Radio / Apple Carplay or Android Auto / With Amplifier): 2017 - 2020
Sorento (With Display Radio / Apple Carplay or Android Auto / Without Amplifier): 2017 - 2020
Sorento (With Display Radio / Apple Carplay or Android Auto / With Amplifier): 2017 - 2020
Soul (With 5" TFT w/o CarPlay or Android Auto / Without Amplifier): 2017 - 2020
Soul (With Display Radio / Apple Carplay or Android Auto / Without Amplifier): 2020
Soul (With Display Radio / Apple Carplay or Android Auto / With Amplifier): 2020
Sportage (With Display Radio / Apple Carplay or Android Auto / Without Amplifier): 2017 - 2022
Sportage (With Display Radio / Apple Carplay or Android Auto / With Amplifier): 2017 - 2022

Features & Specs

Vehicle Compatibility: Select Hyundai and Kia vehicles (amplified and non-amplified systems)
Receiver Compatibility: Works with iDatalink-compatible head units from Kenwood, JVC, Alpine, Sony, and Pioneer
Interface Compatibility: Requires Maestro RR2 interface module (sold separately) for full feature retention and data display
Retained Features: Steering wheel audio controls (dual-function per button with compatible radios), Factory backup camera, Front and side cameras (if receiver has second camera input), Rear Seat Entertainment system, Climate control status display, Audio/phone data in instrument cluster
Navigation Support Outputs: Vehicle Speed Sense (VSS), Parking brake signal, Reverse light signal
Integration Type: Plug-and-play for simplified installation
Purpose: Enables aftermarket radio installation while preserving factory features and vehicle diagnostics

Documents

Warranty

iDatalink Maestro Offers a 1 Year Limited Warranty

SKU: HRN-HRR-HK3

$129.99

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Ships directly from alternative warehouse, ships in approximately 2-3 business days

Plug-and-play design makes installing an aftermarket stereo in select Hyundai and Kia vehicles fast, clean, and hassle-free.
Retains essential factory features like steering wheel controls, backup cameras, climate status, and rear seat entertainment.
Works with the Maestro RR2 module (sold separately) to unlock advanced diagnostics and live vehicle performance data.
Includes navigation-friendly outputs (VSS, reverse, parking brake) and comes with all necessary harnesses for a smooth upgrade.

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iDatalink Maestro HRN-HRR-HK3 Plug and Play T-Harness for select Hyundai & Kia Vehicles

Product Descriptions

iDatalink Maestro HRN-HRR-HK3 Plug and Play T-Harness for select Hyundai & Kia Vehicles

Why the iDatalink Maestro HRN-HRR-HK3 is a Game-Changer

What Features Does It Keep? A Lot, Actually

When you switch out your factory radio, the fear is losing all those built-in goodies. Not here. This harness keeps key features working like a charm:

Steering wheel audio controls stay fully functional—use two functions per button with compatible head units.
Factory backup camera and front/side cams? Still work, as long as your receiver has a second cam input.
Rear seat entertainment? Yep, that stays too.
Climate control status pops right up on your new receiver’s touchscreen.
And the audio/phone data in the instrument cluster? Still there. Still sharp.